<template>
  <div>
    <!-- 导航面包屑 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>用户管理</el-breadcrumb-item>
      <el-breadcrumb-item>用户列表</el-breadcrumb-item>
    </el-breadcrumb>

    <!-- 卡片试图 -->
    <el-card>
      <!-- 搜索 -->
      <el-row :gutter="20">
        <el-col :span="8">
          <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getUserList">
            <el-button slot="append" icon="el-icon-search" @click="getUserList"></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click="addDialogVisible = true">添加用户</el-button>
        </el-col>
      </el-row>

      <!-- 用户列表 -->
      <el-table :data="userList" border stripe>
        <el-table-column type="index" label="#"></el-table-column>
        <el-table-column prop="username" label="姓名"></el-table-column>
        <el-table-column prop="email" label="邮箱"></el-table-column>
        <el-table-column prop="mobile" label="电话"></el-table-column>
        <el-table-column prop="role_name" label="角色"></el-table-column>
        <el-table-column prop="mg_state" label="状态">
          <template slot-scope="scope">
            <el-switch @change="userStuteChanged(scope.row)" v-model="scope.row.mg_state"></el-switch>
          </template>
        </el-table-column>
        <el-table-column label="操作" width="180px">
          <template slot-scope="scope">
            <!-- 修改按钮 -->
            <el-button
              type="primary"
              icon="el-icon-edit"
              size="mini"
              @click="showEditDialog(scope.row.id)"
            ></el-button>
            <!-- 删除按钮 -->
            <el-button
              type="danger"
              icon="el-icon-delete"
              size="mini"
              @click="removeUser(scope.row.id)"
            ></el-button>
            <!-- 分配角色按钮 -->
            <el-tooltip effect="dark" content="分配角色" placement="top" :enterable="false">
              <el-button type="warning" icon="el-icon-setting" size="mini"></el-button>
            </el-tooltip>
          </template>
        </el-table-column>
      </el-table>

      <!-- 添加用户对话框 -->
      <el-dialog title="添加用户" :visible.sync="addDialogVisible" width="50%" @close="addDialogClosed">
        <!-- 添加对话框内容 -->
        <el-form :model="addForm" :rules="formRules" ref="addFormRef" label-width="70px">
          <el-form-item label="用户名" prop="username">
            <el-input v-model="addForm.username"></el-input>
          </el-form-item>
          <el-form-item label="密码" prop="password">
            <el-input v-model="addForm.password"></el-input>
          </el-form-item>
          <el-form-item label="邮箱" prop="email">
            <el-input v-model="addForm.email"></el-input>
          </el-form-item>
          <el-form-item label="手机" prop="mobile">
            <el-input v-model="addForm.mobile"></el-input>
          </el-form-item>
        </el-form>
        <!-- 添加对话框底部 -->
        <span slot="footer" class="dialog-footer">
          <el-button @click="addDialogVisible = false">取 消</el-button>
          <el-button type="primary" @click="addUser">确 定</el-button>
        </span>
      </el-dialog>

      <!-- 修改用户对话框 -->
      <el-dialog
        title="修改用户"
        :visible.sync="editDialogVisible"
        width="50%"
        @close="editDialogClosed"
      >
        <!-- 添加对话框内容 -->
        <el-form :model="editForm" :rules="formRules" ref="editFormRef" label-width="70px">
          <el-form-item label="用户名">
            <el-input v-model="editForm.username" disabled></el-input>
          </el-form-item>
          <el-form-item label="邮箱" prop="email">
            <el-input v-model="editForm.email"></el-input>
          </el-form-item>
          <el-form-item label="手机" prop="mobile">
            <el-input v-model="editForm.mobile"></el-input>
          </el-form-item>
        </el-form>
        <!-- 修改对话框底部 -->
        <span slot="footer" class="dialog-footer">
          <el-button @click="editDialogVisible = false">取 消</el-button>
          <el-button type="primary" @click="editUserInfo">确 定</el-button>
        </span>
      </el-dialog>

      <!-- 分页区 -->
      <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="queryInfo.pagenum"
        :page-sizes="[2,5, 10, 20]"
        :page-size="queryInfo.pagesize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total"
      ></el-pagination>
    </el-card>
  </div>
</template>

<script>
export default {
  data() {
    //验证邮箱的规则
    var checkEmail = (rule, value, cb) => {
      const regEmail =
        /^[a-zA-Z0-9]+([-_.][a-zA-Z0-9]+)*@[a-zA-Z0-9]+([-_.][a-zA-Z0-9]+)*\.[a-z]{2,}$/;

      if (regEmail.test(value)) {
        //通过
        return cb();
      }

      //失败
      cb(new Error("请输入正确的邮箱"));
    };
    //验证手机号
    var checkMobile = (rule, value, cb) => {
      const regMobile =
        /^(13[0-9]|14[01456879]|15[0-35-9]|16[2567]|17[0-8]|18[0-9]|19[0-35-9])\d{8}$/;

      if (regMobile.test(value)) {
        //通过
        console.log(1);
        return cb();
      }

      //失败
      cb(new Error("请输入正确的手机号"));
    };
    return {
      //获取用户列表对象
      queryInfo: {
        query: "",
        //当前的页数
        pagenum: 1,
        //每页多少条数据
        pagesize: 5,
      },
      //用户列表
      userList: [],
      //总共多少条数据
      total: 0,
      //添加用户对话框的显示隐藏
      addDialogVisible: false,
      //添加用户表达
      addForm: {
        username: "",
        password: "",
        email: "",
        mobile: "",
      },
      //添加用户表单验证
      formRules: {
        username: [
          { required: true, message: "请输入用户名", trigger: "blur" },
          {
            min: 3,
            max: 10,
            message: "长度在 3 到 10 个字符",
            trigger: "blur",
          },
        ],
        password: [
          { required: true, message: "请输入密码", trigger: "blur" },
          {
            min: 6,
            max: 15,
            message: "长度在 6 到 15 个字符",
            trigger: "blur",
          },
        ],
        email: [
          { required: true, message: "请输入邮箱", trigger: "blur" },
          { validator: checkEmail, trigger: "blur" },
        ],
        mobile: [
          { required: true, message: "请输入手机号", trigger: "blur" },
          { validator: checkMobile, trigger: "blur" },
        ],
      },
      //修改用户对话框的显示隐藏
      editDialogVisible: false,
      //修改获取用户数据
      editForm: {},
    };
  },
  created() {
    this.getUserList();
  },
  methods: {
    async getUserList() {
      const { data: res } = await this.$http.get("users", {
        params: this.queryInfo,
      });
      this.userList = res.data.users;
      this.total = res.data.total;
    },
    //监听pageSize变化
    handleSizeChange(newSize) {
      this.queryInfo.pagesize = newSize;
      this.getUserList();
    },
    //监页pagenum变化
    handleCurrentChange(newPage) {
      this.queryInfo.pagenum = newPage;
      this.getUserList();
    },
    //监听switch开关状态
    async userStuteChanged(userStuteInfo) {
      const { data: res } = await this.$http.put(
        `users/${userStuteInfo.id}/state/${userStuteInfo.mg_state}`
      );
      if (res.meta.status == 200) {
        this.$message.success("更新用户状态成功！");
      } else {
        userStuteInfo.mg_state = !userStuteInfo.mg_state;
        return this.$message.error("更新用户状态失败！");
      }
    },
    //关闭用户对话框清除input里面的vulue
    addDialogClosed() {
      this.$refs.addFormRef.resetFields();
    },
    //点击按钮，添加新用户
    addUser() {
      this.$refs.addFormRef.validate(async (valid) => {
        if (valid) {
          //通过可以发起网络请求
          const { data: res } = await this.$http.post("users", this.addForm);
          if (res.meta.status == 201) {
            this.$message.success("添加用户成功！");
            //隐藏对话框
            this.addDialogVisible = false;
            //重新渲染用户页面数据
            this.getUserList();
          } else {
            this.$message.error("添加用户失败！");
          }
        } else {
          return;
        }
      });
    },
    //点击修改，显示修改用户对话框，获取用户信息
    async showEditDialog(id) {
      this.editDialogVisible = true;
      const { data: res } = await this.$http.get("users/" + id);
      if (res.meta.status == 200) {
        this.editForm = res.data;
      } else {
        return this.$message.error("获取用户信息失败");
      }
    },
    //关闭修改对话框后重置数据
    editDialogClosed() {
      this.$refs.editFormRef.resetFields();
    },
    //修改用户信息预验证
    editUserInfo() {
      this.$refs.editFormRef.validate(async (valid) => {
        if (valid) {
          //发起网络请求
          const { data: res } = await this.$http.put(
            "users/" + this.editForm.id,
            {
              email: this.editForm.email,
              mobile: this.editForm.mobile,
            }
          );
          if (res.meta.status == 200) {
            this.editDialogVisible = false;
            this.getUserList();
            this.$message.success("修改用户信息成功");
          } else {
            return this.$message.error("修改用户信息失败");
          }
        }
      });
    },
    //删除用户
    async removeUser(id) {
      const confirmResult = await this.$confirm(
        "此操作将永久删除该用户, 是否继续?",
        "提示",
        {
          confirmButtonText: "确定",
          cancelButtonText: "取消",
          type: "warning",
        }
      ).catch((err) => err);
      if (confirmResult == "confirm") {
        const { data: res } = await this.$http.delete("users/" + id);
        if (res.meta.status == 200) {
          this.getUserList();
          this.$message.success("删除成功！");
        } else {
          return this.$message.error("删除失败！");
        }
      } else {
        return this.$message.info("已取消删除");
      }
    },
  },
};
</script>

<style lang="less" scoped>
</style>